Earlier today, Microsoft pushed out KB4497165 for Windows 10
version 1909 and version 1903. Since security updates are
mandatory in Windows 10, it’s likely that the update is already
listed in your Windows Update page or you already have it
So what does it do? According to Microsoft, KB4497165 is an
Intel Microcode update for Windows 10 version 1909 or version
It was originally released
in January and it appears to be rolling out again, and there’s
no detailed information on why the update has been re-released.
It’s possible that Microsoft hasn’t yet rewritten its
documentation to cover up the new fixes or improvements
included in this KB.
In the knowledge base page, Microsoft notes that users should
install this particular update for select Intel processors
only, but users are reporting that KB4497165 has also appeared
on PCs with AMD CPU.
If you see the update on a non-Intel PC, no action is required
on your part and you can install it.
If you have already installed the update, you don’t have to
remove it. If this is done, the mysterious update will be
offered again via Windows Update.
Not everyone will see the security update. For example, if your
machine hasn’t yet upgraded to the November 2019 Update/May
2019 Update, this KB doesn’t show up.
that Windows 10 Microcode updates install like any other update
and Windows automatically loads the updated microcode via OS
Loader to patch reported vulnerability.
May 2020 Update is around the corner
Microsoft is also expected to begin rolling out
Windows 10’s May 2020 Update between May 26 and 28.
According to sources, the update will be rolled out in phases
and you can download it by manually checking for updates on May
Microsoft has already made the
May 2020 Update available to MSDN subscribers, which
indicates that the public launch is just around the corner.